Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Gregory Fung MD Inc

Organization Gastroenterology Physician · NPI 1275673790

Gregory Fung MD Inc is a Gastroenterology Physician in San Francisco, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

789 Vallejo St
San Francisco, CA 94133-3834
Phone: (415) 982-6691
Fax: (415) 982-0914
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence G41709 (CA)

Record details

NPI number1275673790
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Gregory Fung — President · (415) 982-6691
NPI enumeratedFebruary 7, 2007
Last updated in NPPESJune 23, 2014
Mailing address789 Vallejo Street, San Francisco, CA 94133-3834

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